After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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The average sperm cell swims at 8 inches per hour.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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The human brain doesn't stop developing until about 25 years old.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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